Spirit level



FIG. 1 is a front perspective view of the spirit level showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a left side elevational view thereof (the right side elevational view being identical). 

The ornamental design for a spirit level, as shown and described. 